Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2025 9 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/14/2025   23:18:42   (  -0.39,  61.36) (   0.03,  59.50)  212.52                80
 09/15/2025   22:57:12   (  -0.42,  61.36) (  -1.04,  64.06)  307.64                80
 09/17/2025   11:21:39   (   0.37,  61.37) (  -0.23,  58.86)  287.27                80
 09/18/2025   11:00:09   (   0.41,  61.37) (   0.85,  63.42)  233.94                80
 09/19/2025   23:24:27   (  -0.35,  61.35) (   0.37,  58.25)  354.16                80
 09/20/2025   23:02:57   (  -0.39,  61.35) (  -0.71,  62.81)  166.14                80
 09/22/2025   11:27:23   (   0.32,  61.37) (  -0.56,  57.61)  429.79                80
 09/23/2025   11:05:54   (   0.36,  61.37) (   0.53,  62.17)   91.32                80
 09/24/2025   23:30:11   (  -0.29,  61.35) (   0.69,  57.00)  495.67                80
 09/25/2025   23:08:42   (  -0.33,  61.36) (  -0.40,  61.56)   24.10                80